package main
import "fmt"
func main(){
	var jk interface{}
	jk = 123
	lx(jk)
	
	jk = 123.456
	lx(jk)
	
	jk = "RuiGe"
	lx(jk)
	
}

func lx(jk interface{}){
	switch jk.(type){
		case int:{
			fmt.Printf("jk = int")
		}
		
		case float64:{
			fmt.Printf("jk = float64")
		}
		
		case string:{
			fmt.Printf("jk = sting")
		}
	}
	fmt.Println()
}
